Table 61. Circuit breaker failure protection (CCBRBRF)
Characteristic
Value
Operation accuracy
Depending on the frequency of the measured current: f
n
±2 Hz
±1.5% of the set value or ±0.002 × I
n
Operate time accuracy
±1.0% of the set value or ±20 ms
Reset time
Typically 40 ms
Retardation time
<20 ms
Table 62. Circuit breaker failure protection (CCBRBRF) main settings
Parameter
Function
Value (Range)
Step
Current value
CCBRBRF
0.05...2.00 × I
n
0.05
Current value Res
CCBRBRF
0.05...2.00 × I
n
0.05
CB failure mode
CCBRBRF
1 = Current
2 = Breaker status
3 = Both
-
CB fail trip mode
CCBRBRF
1 = Off
2 = Without check
3 = Current check
-
Retrip time
CCBRBRF
0...60000 ms
10
CB failure delay
CCBRBRF
0...60000 ms
10
CB fault delay
CCBRBRF
0...60000 ms
10
Table 63. Three-phase inrush detector (INRPHAR)
Characteristic
Value
Operation accuracy
At the frequency f = f
n
Current measurement:
±1.5% of the set value or ±0.002 × I
n
Ratio I2f/I1f measurement:
±5.0% of the set value
Reset time
+35 ms / -0 ms
Reset ratio
Typically 0.96
Operate time accuracy
+35 ms / -0 ms
Table 64. Three-phase inrush detector (INRPHAR) main settings
Parameter
Function
Value (Range)
Step
Start value
INRPHAR
5...100%
1
Operate delay time
INRPHAR
20...60000 ms
1
Generator and Interconnection Protection
1MRS758279 B
REG615
Product version: 5.0 FP1
ABB
45
Содержание RELION REG615
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